Participant demographics for DFGC and traditional MoC, reported as means±SD (range) unless otherwise specified
| DFGC (n=122) | Traditional medical model (n=62) | P value | |
| Age, years | 30.9±7.7 (18–49) | 31.7±9.2 (18–50) | 0.52 |
| Women, n (%) | 89 (73.0) | 49 (79.0) | 0.37 |
| Men, n (%) | 33 (27.0) | 13 (21.0) | |
| Smoking status | |||
| Current smokers, n (%) | 31 (23.2) | 17 (27.4) | 0.97 |
| Ex-smokers, n (%) | 22 (18.0) | 6 (9.7) | |
| Non-smokers, n (%) | 69 (56.6) | 38 (61.3) | |
| Missing data, n (%) | 0 (0) | 1 (1.6) | |
| Weight, kg | 79.0±21.4 (42–205) | 81.3.0±21.7 (45–165) | 0.5 |
| BMI, kg/m2 | 27.4±7.0 (17–70) | 29.3±7.3 (18–54) | 0.12 |
| Underweight,<18.5, n (%) | 3 (2.5) | 1 (1.6) | |
| Healthy weight, 18.5–24.99, n (%) | 47 (38.5) | 9 (14.5) | |
| Overweight 25–29.99, n (%) | 38 (31.1) | 21 (33.9) | |
| Obese, >30, n (%) | 33 (27.0) | 16 (14.8) | |
| Missing data n (%) | 1 (0.8) | 15 (13.9) | |
| Referral reason based on GP letter,* n (%) | |||
| Abdominal pain | 62 (50.8) | 35 (56.5) | 0.35 |
| Altered bowel habit | 8 (6.6) | 2 (3.2) | 0.53 |
| Constipation | 19 (15.6) | 20 (32.3) | 0.01 |
| Diarrhoea | 44 (36.1) | 29 (46.8) | 0.03 |
| Dyspepsia/Heartburn/Reflux | 21 (17.2) | 5 (8.1) | 0.13 |
| Nausea | 11 (9.0) | 9 (14.5) | 0.54 |
| Bloating | 31 (25.4) | 15 (24.2) | 0.71 |
| Anxiety/Depression, n (%) | |||
| Nil reported/Nil diagnosis | 64 (52.5) | 42 (67.7) | 0.12 |
| Medically diagnosed | 45 (36.9) | 18 (29.0) | |
| Self-reported | 13 (10.7) | 2 (3.2) |
*Some patients had more than one presenting complaint; hence referral reasons total is greater than >100%.
BMI, body mass index; DFGC, dietitian-first gastroenterology clinic; MoC, model of care.